CN102353356A - Digitalized clinometer and measuring method thereof - Google Patents
Digitalized clinometer and measuring method thereof Download PDFInfo
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- CN102353356A CN102353356A CN2011101970571A CN201110197057A CN102353356A CN 102353356 A CN102353356 A CN 102353356A CN 2011101970571 A CN2011101970571 A CN 2011101970571A CN 201110197057 A CN201110197057 A CN 201110197057A CN 102353356 A CN102353356 A CN 102353356A
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Abstract
The invention discloses a digitalized clinometer and a measuring method thereof, wherein the clinometer comprises a processor, an inclination sensor, a filtering unit, a power system and a digital readout division rotary table; the inclination sensor provides the inclination angle with high resoluation, the filtering unit filters the analog signal which is output by the inclination sensor, high-precision analog-to-digital conversion is carried out on the filtered analog signal which is output by the inclination sensor through the processor, digital signal filtering is carried out in the processor, so inclination output information is really reflected; angle conversion is carried out on the signal which undergoes the digital processing through the processor, the digital readout division rotary table is utilized to test the data which are required by the linear compensation of the inclination sensor, so the appropriate linear calibration coefficient is calculated; and after the test, the processor utilizes the calculated linear calibration coefficient to linearly compensate the measured angle data. The invention can provide the measurement accuracy of 20 arc second at normal temperature, can simultaneously ensure the maximum drift of plus or minus 0.03 DEG C with the temperature range of minus 40 DEG C-85 DEG C, and has obvious advantage compared with the existing digitalized clinometer.
Description
Technical field
The invention belongs to field of measuring technique, relate to a kind of inclinator, relate in particular to a kind of horizontal survey and self-leveling digitizing inclinator done; Simultaneously, the invention still further relates to a kind of measuring method of digitizing inclinator.
Background technology
The digitizing inclinator is to be used for Measuring Object tilt variation and the time dependent instrument of pedal line in time.
Precision is to weigh the Digital Dipmeter key index, directly determines the performance of Digital Dipmeter, and existing Digital Dipmeter measuring accuracy is lower, generally 0.05 or poorer.
Temperature is the key factor of environment to digital dipmeter survey precision influence, and variation of temperature can have influence on the variation of Digital Dipmeter output, causes the measuring accuracy variation, and existing Digital Dipmeter temperature is floated bigger, generally at ± 0.4 °.
Response frequency is the performance index of reflection Digital Dipmeter kinetic measurement, and the digital quantity of high accuracy number inclinator output is to handle through digital filtering, and like other digital filtering modes such as FIR or IIR, this can cause the Digital Dipmeter response lag.
Quadrature error is two sensitive axis nonorthogonality spatially of twin shaft Digital Dipmeter, causes between centers cross-couplings when measuring, and influences measuring accuracy, or the influence surface leveling.
In addition; Existing high accuracy number inclinator generally will be done linear compensation, temperature compensation, quadrature compensation etc. in Control Software; These offset datas need be analyzed from measurement data repeatedly, extract, and finally are cured in the Digital Dipmeter software, can cause increasing the workload of production like this; Production unit is more man-hour that product consumes, and has increased cost.Simultaneously, the interface that provides of existing Digital Dipmeter is more single.
Summary of the invention
Technical matters to be solved by this invention is: a kind of digitizing inclinator is provided, can improves the degree of accuracy of detection, improve detection efficiency simultaneously.
In addition, the present invention also provides a kind of measuring method of digitizing inclinator, can improve the degree of accuracy of detection, improves detection efficiency simultaneously.
For solving the problems of the technologies described above, the present invention adopts following technical scheme:
A kind of digitizing inclinator, said inclinator comprises: processor, obliquity sensor, filter unit, power-supply system, digital display graduation rotating platform;
Said processor connects obliquity sensor, filter unit, power-supply system, digital display graduation rotating platform, and said power-supply system connects obliquity sensor, filter unit, digital display graduation rotating platform;
Said obliquity sensor is in order to provide high-resolution angle of inclination; Filter unit is to the simulating signal filtering of obliquity sensor output; Processor carries out the high precision analogue conversion to the simulating signal through filtering of obliquity sensor output; In processor, do digital signal filtering, reach and reflect inclination angle output information truly;
The signal of said processor after to digital processing carries out angular transition, utilizes outside high-precision digital display graduation rotating platform that obliquity sensor is made the required data of linear compensation and tests, and calculates suitable linear calibration's coefficient;
After the measurement, linear calibration's coefficient that the processor utilization calculates is made linear compensation to the angle-data of measuring.
As a kind of preferred version of the present invention, said processor utilizes the least square method algorithm to the on-line testing data operation, calculates suitable linear calibration's coefficient, and is stored in the storage space in the processor; After measuring each time, linear calibration's coefficient that processor utilizes calculated in advance to go out is made linear compensation to the angle-data of measuring, and reaches the purpose of the linearity that improves measurement of dip angle.
The linear compensation method of said processor comprises:
To one group of standard value a
1, a
2, a
3..., a
kAnd actual measurement gained one class value b to organizing standard value
1, b
2, b
3..., b
k, simulate a polynomial expression a according to two class values
i=F (b
i), i=1...k, i.e. f=k
0+ k
1C+k
2C
2+ k
3C
3+ ...+k
mC
m, k
0, k
1, k
2, k
3..., k
mBe multinomial coefficient, C=a
1, a
2, a
3..., a
k
Utilize the least square method algorithm, find the solution the coefficient k of fitting of a polynomial
0, k
1, k
2, k
3..., k
m, the MCU program of processor is solidified this polynomial expression wherein, and utilizes this polynomial expression that the data of gathering are carried out polynomial computation, i.e. compensation data.
As a kind of preferred version of the present invention, said filter unit is the hardware filtering unit, in order to filtering in the simulating signal bandwidth that obliquity sensor is exported.
As a kind of preferred version of the present invention, said inclinator further comprises high low temperature sweat box, does compensation in order to the temperature at zero point of inclinator is floated float with Sensitivity Temperature.
Zero point, the temperature drift compensation method comprised: humid test is done in the output at zero point to inclinator; Export the variation of temperature influence the zero point of measuring inclinator; Utilize least square fitting to go out the polynomial relation formula between output at zero point and the temperature variation, Z=Z (T), i.e. Z (T)=k
0+ k
1T+k
2T
2+ k
3T
3+ ...+k
mT
m, wherein, k
0, k
1, k
2, k
3..., k
mBe multinomial coefficient; Utilize the least square method algorithm, find the solution the coefficient k of fitting of a polynomial
0, k
1, k
2, k
3..., k
m, the MCU program of processor is solidified this polynomial expression wherein, and utilizes this relational expression that compensation is done in output at zero point.
Sensitivity Temperature is floated compensation method and comprised: humid test is done in the sensitivity to inclinator; Measure the variation of the sensitivity temperature influence of inclinator; Utilize least square fitting to go out the polynomial relation formula between sensitivity and the temperature variation, S=S (T), i.e. S (T)=k
0+ k
1T+k
2T
2+ k
3T
3+ ...+k
mT
m, wherein, k
0, k
1, k
2, k
3..., k
mBe multinomial coefficient; Utilize the least square method algorithm, find the solution the coefficient k of fitting of a polynomial
0, k
1, k
2, k
3..., k
m, the MCU program of processor is solidified this polynomial expression wherein, and utilizes this relational expression that temperature compensation is done in sensitivity.
As a kind of preferred version of the present invention, said inclinator further comprises 232 output interfaces, 485 output interfaces, 422 output interfaces, V/I output interface, LCD output interface, CAN interface.
As a kind of preferred version of the present invention, said processor is the MCU of built-in 24bit analog-to-digital conversion unit AD.
A kind of measuring method of above-mentioned digitizing inclinator, said measuring method comprises the steps:
Step S1, obliquity sensor provide high-resolution angle of inclination, and filter unit is to the simulating signal filtering of obliquity sensor output;
Step S2, processor carry out the high precision analogue conversion to the simulating signal through filtering of obliquity sensor output, in processor, do digital signal filtering, reach to reflect inclination angle output information truly;
Step S3, the processor signal after to digital processing carries out angular transition, utilizes outside high-precision digital display graduation rotating platform that obliquity sensor is made the required data of linear compensation and tests, and calculates suitable linear calibration's coefficient;
After step S4, the measurement, linear calibration's coefficient that the processor utilization calculates is made linear compensation to the angle-data of measuring.
As a kind of preferred version of the present invention, said processor utilizes the least square method algorithm to the on-line testing data operation, calculates suitable linear calibration's coefficient, and is stored in the storage space in the processor;
After measuring each time, linear calibration's coefficient that processor utilizes calculated in advance to go out is made linear compensation to the angle-data of measuring, and reaches the purpose of the linearity that improves measurement of dip angle.
The linear compensation method of said processor comprises:
To one group of standard value a
1, a
2, a
3..., a
kAnd actual measurement gained one class value b to organizing standard value
1, b
2, b
3..., b
k, simulate a polynomial expression a according to two class values
i=F (b
i), i=1...k, i.e. f=k
0+ k
1C+k
2C
2+ k
3C
3+ ...+k
mC
m, k
0, k
1, k
2, k
3..., k
mBe multinomial coefficient, C=a
1, a
2, a
3..., a
k
Utilize the least square method algorithm, find the solution the coefficient k of fitting of a polynomial
0, k
1, k
2, k
3..., k
m, the MCU program of processor is solidified this polynomial expression wherein, and utilizes this polynomial expression that the data of gathering are carried out polynomial computation, i.e. compensation data.
As a kind of preferred version of the present invention, said inclinator further comprises high low temperature sweat box, does compensation in order to the temperature at zero point of inclinator is floated float with Sensitivity Temperature.
Beneficial effect of the present invention is: digitizing inclinator and measuring method thereof that the present invention proposes, the measuring accuracy of 20 rads of normal temperature can be provided, and can satisfy commercial Application, study the measuring accuracy demand of military project unit in one's power.Simultaneously, the present invention can guarantee that the maximum temperature of-40 ℃～85 ℃ temperature range ± 0.03 ° floats, and has a clear superiority in respect to existing similar Digital Dipmeter.
This digital inclinator can provide abundant interface, and like digital quantity RS232, RS485, RS422, CAN, LCD shows; The digital interface software protocol is optional, like Modbus, and CAN2.0a or Can2.0b etc.; Analog quantity voltage and electric current, the analog quantity output area can be provided with.
Digital Dipmeter of the present invention can provide 0～20HZ responding range, is superior to similar other Digital Dipmeter performance index in this respect.In addition, the quadrature error of Digital Dipmeter of the present invention can be accomplished 0.1%F.R.O, obviously is superior to existing similar Digital Dipmeter performance index in this respect.
In addition, Digital Dipmeter in house software of the present invention is integrated from calibration algorithm, and externally shirtsleeve operation realizes the demarcation automatically of Digital Dipmeter numeral itself.
Description of drawings
Fig. 1 is the composition synoptic diagram of digitizing inclinator of the present invention.
Fig. 2 is the process flow diagram of dipmeter survey method of the present invention.
Embodiment
Specify the preferred embodiments of the present invention below in conjunction with accompanying drawing.
Embodiment one
See also Fig. 1; The present invention has disclosed a kind of digitizing inclinator, and said inclinator comprises the MCU 4, digital display graduation rotating platform (figure does not show) of core high precision MEMS obliquity sensor 1, hardware filtering unit 2, power-supply system 3, built-in 24Bit analog-to-digital conversion unit AD, a plurality of output interface (comprising 232 output interfaces, 5,485 output interfaces, 6,422 output interfaces 7, V/I output interface 8, LCD output interface 9, CAN interface 10).Said MCU4 connects obliquity sensor 1, hardware filtering unit 2, power-supply system 3, digital display graduation rotating platform, each output interface, and said power-supply system 3 connects obliquity sensor 1, hardware filtering unit 2, digital display graduation rotating platform, each output interface.
Core high precision MEMS obliquity sensor 1 can provide very high angular resolution; Through filtering in 2 couples of high precision MEMS of hardware filtering obliquity sensor, the 1 output simulating signal bandwidth; The MCU of built-in 24BitAD carries out the high precision analogue conversion to the simulating signal of core high precision MEMS obliquity sensor 1 output; In the MCU in house software, do digital signal filtering, reach and reflect inclination angle output information truly.
The MCU 4 of built-in 24bit AD can carry out angular transition to signal after the digital processing, can utilize outside high-precision digital display graduation rotating platform that obliquity sensor is made the required data of linear compensation then and test.The MCU 4 of built-in 24bit AD utilizes inner least square method algorithm to the on-line testing data operation, calculates suitable linear calibration's coefficient, and is stored in the Flash Data storage space of opening up MCU inside.After measuring each time, linear calibration's coefficient that the MCU 4 of built-in 24bit AD utilizes calculated in advance to go out is made linear compensation to the angle-data of measuring, and reaches the purpose of the linearity that improves measurement of dip angle.
The linear compensation method of said processor comprises: to one group of standard value a
1, a
2, a
3..., a
kAnd actual measurement gained one class value b to organizing standard value
1, b
2, b
3..., b
k, simulate a polynomial expression a according to two class values
i=F (b
i), i=1...k, i.e. f=k
0+ k
1C+k
2C
2+ k
3C
3+ ...+k
mC
m, k
0, k
1, k
2, k
3..., k
mBe multinomial coefficient, C=a
1, a
2, a
3..., a
kUtilize the least square method algorithm, find the solution the coefficient k of fitting of a polynomial
0, k
1, k
2, k
3..., k
m, the MCU program of processor is solidified this polynomial expression wherein, and utilizes this polynomial expression that the data of gathering are carried out polynomial computation, i.e. compensation data.
In addition, MCU 4 softwares capable of using of built-in 24bit AD are realized the numerical information that AD gathers is done FIR or IIR filtering; And the quadrature error data that can utilize test to obtain, and utilize quadrature compensation algorithm pair of orthogonal error to compensate.Simultaneously, the present invention can be configured through the MCU 4 inner integrated AD of built-in 24bit AD and reach the output of 20HZ high-accuracy data acquisition.
As shown in Figure 1; Inside circuit is provided with 232 output interfaces, 5,485 output interfaces, 6,492 output interfaces 7, V/I output interface 8, LCD output interface 9, CAN interface 10; Multiple output interface is provided; Wherein inside circuit is constructed 232 output interfaces, 5,485 output interfaces, 6,492 output interfaces 7 and can output be provided according to user's needs custom communication agreement or according to standard agreement, like ModBus etc.; CAN interface 10 can be realized Can2.0a/b or the output of Can Open agreement.V/I output interface 8 can provide voltage and current output, but output voltage unipolarity or bipolarity, output voltage range reaches-10VDC～+ 10VDC, can be through software inhouse adjustment voltage output range.Electric current output can reach 0～24mA scope, and the electric current output area can be through the software inhouse adjustment.
In addition, said digitizing inclinator further comprises high low temperature sweat box, does compensation in order to the temperature at zero point of inclinator is floated float with Sensitivity Temperature.Utilize the high low temperature experimental box of external unit that core high precision MEMS obliquity sensor 1 is done temperature compensation test (Sensitivity Temperature is floated, zero point temperature float); Built-in 24bitMCU 4 utilize inner least square method algorithm to online to test data handle, computing; Calculate temperature compensation coefficient; And be stored in the storage space of opening up inside, every later on-inferior measurement data output all can be reduced the influence of temperature to sensor by the temperature compensation coefficient correction well.
Zero point, the temperature drift compensation method comprised: humid test is done in the output at zero point to inclinator; Export the variation of temperature influence the zero point of measuring inclinator; Utilize least square fitting to go out the polynomial relation formula between output at zero point and the temperature variation, Z=Z (T), i.e. Z (T)=k
0+ k
1T+k
2T
2+ k
3T
3+ ...+k
mT
m, wherein, k
0, k
1, k
2, k
3..., k
mBe multinomial coefficient; Utilize the least square method algorithm, find the solution the coefficient k of fitting of a polynomial
0, k
1, k
2, k
3..., k
m, the MCU program of processor is solidified this polynomial expression wherein, and utilizes this relational expression that compensation is done in output at zero point.
Sensitivity Temperature is floated compensation method and comprised: humid test is done in the sensitivity to inclinator; Measure the variation of the sensitivity temperature influence of inclinator; Utilize least square fitting to go out the polynomial relation formula between sensitivity and the temperature variation, S=S (T), i.e. S (T)=k
0+ k
1T+k
2T
2+ k
3T
3+ ...+k
mT
m, wherein, k
0, k
1, k
2, k
3..., k
mBe multinomial coefficient; Utilize the least square method algorithm, find the solution the coefficient k of fitting of a polynomial
0, k
1, k
2, k
3..., k
m, the MCU program of processor is solidified this polynomial expression wherein, and utilizes this relational expression that compensation is done in sensitivity.
Above-mentioned three compensation process have used least square method; In three compensation process, polynomial coefficient k
0, k
1, k
2, k
3..., k
mCalculate polynomial coefficient k in three compensation process according to actual conditions
0, k
1, k
2, k
3..., k
mAnd do not require equal.
More than introduced the composition of digitizing inclinator of the present invention, the present invention also discloses a kind of measuring method of above-mentioned digitizing inclinator when disclosing above-mentioned digitizing inclinator; See also Fig. 2, said measuring method comprises the steps:
[step S1] obliquity sensor provides high-resolution angle of inclination, and filter unit is to the simulating signal filtering of obliquity sensor output;
[step S2] processor carries out the high precision analogue conversion to the simulating signal through filtering of obliquity sensor output, in processor, does digital signal filtering, reaches to reflect inclination angle output information truly;
The signal of [step S3] processor after to digital processing carries out angular transition; Utilizing outside high-precision digital display graduation rotating platform that obliquity sensor is made the required data of linear compensation tests; Said processor utilizes the least square method algorithm to the on-line testing data operation; Calculate suitable linear calibration's coefficient, and be stored in the storage space in the processor;
After [step S4] measured each time, linear calibration's coefficient that processor utilizes calculated in advance to go out was made linear compensation to the angle-data of measuring, and reaches the purpose of the linearity that improves measurement of dip angle.
In sum, digitizing inclinator and measuring method thereof that the present invention proposes can provide the measuring accuracy of 20 rads of normal temperature, can satisfy commercial Application, study the measuring accuracy demand of military project unit in one's power.Simultaneously, the present invention can guarantee that the maximum temperature of-40 ℃～85 ℃ temperature range ± 0.03 ° floats, and has a clear superiority in respect to existing similar Digital Dipmeter.
Rigid good, not yielding, the high-low temperature resistant of digitizing inclinator of the present invention, good airproof performance; Simultaneously abundant interface can be provided, like digital quantity RS232, RS485, RS422, CAN, LCD shows that the digital interface software protocol is optional, like Modbus, and CAN2.0a or Can2.0b etc., analog quantity voltage and electric current, the analog quantity output area can be provided with.
Digital Dipmeter of the present invention can provide 0～20HZ responding range, is superior to similar other Digital Dipmeter performance index in this respect.In addition, the quadrature error of Digital Dipmeter of the present invention can be accomplished 0.1%F.R.O, obviously is superior to existing similar Digital Dipmeter performance index in this respect.
In addition, Digital Dipmeter in house software of the present invention is integrated from calibration algorithm, and externally shirtsleeve operation realizes the demarcation automatically of Digital Dipmeter numeral itself.
Here description of the invention and application is illustrative, is not to want with scope restriction of the present invention in the above-described embodiments.Here the distortion of the embodiment that is disclosed and change are possible, and the replacement of embodiment is known with the various parts of equivalence for those those of ordinary skill in the art.Those skilled in the art are noted that under the situation that does not break away from spirit of the present invention or essential characteristic, and the present invention can be with other form, structure, layout, ratio, and realize with other assembly, material and parts.Under the situation that does not break away from the scope of the invention and spirit, can carry out other distortion and change here to the embodiment that is disclosed.
Claims (10)
1. a digitizing inclinator is characterized in that, said inclinator comprises: processor, obliquity sensor, filter unit, power-supply system, digital display graduation rotating platform;
Said processor connects obliquity sensor, filter unit, power-supply system, digital display graduation rotating platform, and said power-supply system connects obliquity sensor, filter unit, digital display graduation rotating platform;
Said obliquity sensor is in order to provide high-resolution angle of inclination; Filter unit is to the simulating signal filtering of obliquity sensor output; Processor carries out the high precision analogue conversion to the simulating signal through filtering of obliquity sensor output; In processor, do digital signal filtering, reach and reflect inclination angle output information truly;
The signal of said processor after to digital processing carries out angular transition, utilizes outside high-precision digital display graduation rotating platform that sensor is made the required data of linear compensation and tests, and calculates suitable linear calibration's coefficient;
After the measurement, linear calibration's coefficient that the processor utilization calculates is made linear compensation to the angle-data of measuring.
2. digitizing inclinator according to claim 1 is characterized in that:
Said processor utilizes the least square method algorithm to the on-line testing data operation, calculates suitable linear calibration's coefficient, and is stored in the storage space in the processor;
After measuring each time, linear calibration's coefficient that processor utilizes calculated in advance to go out is made linear compensation to the angle-data of measuring, to improve the linearity of measurement of dip angle;
The linear compensation method of said processor comprises:
To one group of standard value a
1, a
2, a
3..., a
kAnd actual measurement gained one class value b to organizing standard value
1, b
2, b
3..., b
k, simulate a polynomial expression a according to two class values
i=F (b
i), i=1...k, i.e. f=k
0+ k
1C+k
2C
2+ k
3C
3+ ...+k
mC
m, k
0, k
1, k
2, k
3..., k
mBe multinomial coefficient, C=a
1, a
2, a
3..., a
k
Utilize the least square method algorithm, find the solution the coefficient k of fitting of a polynomial
0, k
1, k
2, k
3..., k
m, the MCU program of processor is solidified this polynomial expression wherein, and utilizes this polynomial expression that the data of gathering are carried out polynomial computation, i.e. compensation data.
3. digitizing inclinator according to claim 1 is characterized in that:
Said filter unit is the hardware filtering unit, in order to filtering in the simulating signal bandwidth that obliquity sensor is exported.
4. digitizing inclinator according to claim 1 is characterized in that:
Said inclinator further comprises high low temperature sweat box, does compensation in order to the temperature at zero point of inclinator is floated;
Zero point, the temperature drift compensation method comprised: humid test is done in the output at zero point to inclinator; Export the variation of temperature influence the zero point of measuring inclinator; Utilize least square fitting to go out the polynomial relation formula between output at zero point and the temperature variation, Z=Z (T), i.e. Z (T)=k
0+ k
1T+k
2T
2+ k
3T
3+ ...+k
mT
m, wherein, k
0, k
1, k
2, k
3..., k
mBe multinomial coefficient;
Utilize the least square method algorithm, find the solution the coefficient k of fitting of a polynomial
0, k
1, k
2, k
3..., k
m, the MCU program of processor is solidified this polynomial expression wherein, and utilizes this relational expression that compensation is done in output at zero point.
5. digitizing inclinator according to claim 1 is characterized in that:
Said inclinator further comprises high low temperature sweat box, does compensation in order to the Sensitivity Temperature of inclinator is floated;
Sensitivity Temperature is floated compensation method and comprised: humid test is done in the sensitivity to inclinator; Measure the variation of the sensitivity temperature influence of inclinator; Utilize least square fitting to go out the polynomial relation formula between sensitivity and the temperature variation, S=S (T), i.e. S (T)=k
0+ k
1T+k
2T
2+ k
3T
3+ ...+k
mT
m, wherein, k
0, k
1, k
2, k
3..., k
mBe multinomial coefficient;
Utilize the least square method algorithm, find the solution the coefficient k of fitting of a polynomial
0, k
1, k
2, k
3..., k
m, the MCU program of processor is solidified this polynomial expression wherein, and utilizes this relational expression that compensation is done in sensitivity.
6. digitizing inclinator according to claim 1 is characterized in that:
Said inclinator further comprises 232 output interfaces, 485 output interfaces, 422 output interfaces, V/I output interface, LCD output interface, CAN interface.
7. digitizing inclinator according to claim 1 is characterized in that:
Said processor is the MCU of built-in 24bit analog-to-digital conversion unit AD.
8. the measuring method of the said digitizing inclinator of claim 1 is characterized in that, said measuring method comprises the steps:
Step S1, obliquity sensor provide high-resolution angle of inclination, and filter unit is to the simulating signal filtering of obliquity sensor output;
Step S2, processor carry out the high precision analogue conversion to the simulating signal through filtering of obliquity sensor output, in processor, do digital signal filtering, reach to reflect inclination angle output information truly;
Step S3, the processor signal after to digital processing carries out angular transition, utilizes outside high-precision digital display graduation rotating platform that obliquity sensor is made the required data of linear compensation and tests, and calculates suitable linear calibration's coefficient;
After step S4, the measurement, linear calibration's coefficient that the processor utilization calculates is made linear compensation to the angle-data of measuring.
9. measuring method according to claim 8 is characterized in that:
Said processor utilizes the least square method algorithm to the on-line testing data operation, calculates suitable linear calibration's coefficient, and is stored in the storage space in the processor;
After measuring each time, linear calibration's coefficient that processor utilizes calculated in advance to go out is made linear compensation to the angle-data of measuring, to improve the linearity of measurement of dip angle;
The linear compensation method of said processor comprises:
To one group of standard value a
1, a
2, a
3..., a
kAnd the actual measurement gained one class value b1 to organizing standard value, b2, b3 ..., bk simulates a polynomial expression a according to two class values
i=F (b
i), i=1...k, i.e. f=k
0+ k
1C+k
2C
2+ k
3C
3+ ...+k
mC
m, k
0, k
1, k
2, k
3..., k
mBe multinomial coefficient, C=a
1, a
2, a
3..., a
k
Utilize the least square method algorithm, find the solution the coefficient k of fitting of a polynomial
0, k
1, k
2, k
3..., k
m, the MCU program of processor is solidified this polynomial expression wherein, and utilizes this polynomial expression that the data of gathering are carried out polynomial computation, i.e. compensation data.
10. measuring method according to claim 8 is characterized in that:
Said inclinator further comprises high low temperature sweat box, does compensation in order to the temperature at zero point of inclinator is floated float with Sensitivity Temperature.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997934A (en) * | 2012-11-23 | 2013-03-27 | 上海辉格科技发展有限公司 | Calibration method for improving accuracy of digitilized intelligent clinometer |
| CN104111062A (en) * | 2014-05-26 | 2014-10-22 | 宁波拓普电器有限公司 | Gradient sensor |
| CN107044848A (en) * | 2016-08-24 | 2017-08-15 | 江西飞尚科技有限公司 | A kind of rod-type inclinometer temperature compensation |
| CN108709568A (en) * | 2018-08-23 | 2018-10-26 | 中国地震局地壳应力研究所 | Dipmeter detection device |
| CN111158289A (en) * | 2019-12-31 | 2020-05-15 | 无锡信捷电气股份有限公司 | Digital measuring probe measuring instrument and implementation method |
| CN112926030A (en) * | 2021-02-25 | 2021-06-08 | 南京信息工程大学 | Meteorological element determining method for 30m resolution interpolation |
| CN115014289A (en) * | 2022-08-05 | 2022-09-06 | 长江水利委员会长江科学院 | Data processing method and circuit of fixed inclinometer |
| CN117470194A (en) * | 2023-12-28 | 2024-01-30 | 江西飞尚科技有限公司 | Inclination angle measurement method, inclination angle measurement system, storage medium and computer |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6144308A (en) * | 1998-05-04 | 2000-11-07 | Laser Technology, Inc. | Tilt compensation apparatus and method for use with a monopod mounted laser range finder apparatus |
| CN2482055Y (en) * | 2001-05-21 | 2002-03-13 | 湖南华星宇传感技术有限公司 | Digital angle measurer |
| CN1673677A (en) * | 2005-04-15 | 2005-09-28 | 中国科学院合肥智能机械研究所 | Dip meter zero and sensitivity temperature compensator and compensating method thereof |
| CN1908582A (en) * | 2005-08-02 | 2007-02-07 | 中国科学院西安光学精密机械研究所 | Temperature compensation method and device for a electric slope angle sensor |
| JP2007322347A (en) * | 2006-06-05 | 2007-12-13 | Yupiteru Corp | Vehicular slope determination apparatus |
| JP2009282088A (en) * | 2008-05-20 | 2009-12-03 | Sumitomo Metal Mining Co Ltd | Absorption type multi-layer film nd filter and method for manufacturing the same |
| CN102032900A (en) * | 2010-12-01 | 2011-04-27 | 宁波杉工结构监测与控制工程中心有限公司 | Digital dip-angle sensor |
| CN201828261U (en) * | 2010-10-22 | 2011-05-11 | 桂林迪吉特电子有限公司 | Digital display inclinometer |
| CN201897473U (en) * | 2010-12-01 | 2011-07-13 | 宁波杉工结构监测与控制工程中心有限公司 | Digital inclination sensor |
| CN202281603U (en) * | 2011-11-01 | 2012-06-20 | 上海辉格科技发展有限公司 | Digitalized intelligent clinometer |
-
2011
- 2011-07-14 CN CN 201110197057 patent/CN102353356B/en not_active Expired - Fee Related
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6144308A (en) * | 1998-05-04 | 2000-11-07 | Laser Technology, Inc. | Tilt compensation apparatus and method for use with a monopod mounted laser range finder apparatus |
| CN2482055Y (en) * | 2001-05-21 | 2002-03-13 | 湖南华星宇传感技术有限公司 | Digital angle measurer |
| CN1673677A (en) * | 2005-04-15 | 2005-09-28 | 中国科学院合肥智能机械研究所 | Dip meter zero and sensitivity temperature compensator and compensating method thereof |
| CN1908582A (en) * | 2005-08-02 | 2007-02-07 | 中国科学院西安光学精密机械研究所 | Temperature compensation method and device for a electric slope angle sensor |
| JP2007322347A (en) * | 2006-06-05 | 2007-12-13 | Yupiteru Corp | Vehicular slope determination apparatus |
| JP2009282088A (en) * | 2008-05-20 | 2009-12-03 | Sumitomo Metal Mining Co Ltd | Absorption type multi-layer film nd filter and method for manufacturing the same |
| CN201828261U (en) * | 2010-10-22 | 2011-05-11 | 桂林迪吉特电子有限公司 | Digital display inclinometer |
| CN102032900A (en) * | 2010-12-01 | 2011-04-27 | 宁波杉工结构监测与控制工程中心有限公司 | Digital dip-angle sensor |
| CN201897473U (en) * | 2010-12-01 | 2011-07-13 | 宁波杉工结构监测与控制工程中心有限公司 | Digital inclination sensor |
| CN202281603U (en) * | 2011-11-01 | 2012-06-20 | 上海辉格科技发展有限公司 | Digitalized intelligent clinometer |
Non-Patent Citations (4)
| Title |
|---|
| 丁小龙，等: "数字式倾角测量技术", 《科技咨询导报》 * |
| 成曙，等: "一种高精度数字水平仪", 《兵工自动化》 * |
| 文香稳: "倾角仪特性研究及其测量误差补偿", 《传感器与微系统》 * |
| 王娟，等: "微机械热对流倾角仪温度补偿技术研究", 《MEMS器件与技术》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102997934A (en) * | 2012-11-23 | 2013-03-27 | 上海辉格科技发展有限公司 | Calibration method for improving accuracy of digitilized intelligent clinometer |
| CN102997934B (en) * | 2012-11-23 | 2016-12-21 | 上海辉格科技发展有限公司 | A kind of scaling method improving Digitalized intelligent clinometer precision |
| CN104111062A (en) * | 2014-05-26 | 2014-10-22 | 宁波拓普电器有限公司 | Gradient sensor |
| CN107044848A (en) * | 2016-08-24 | 2017-08-15 | 江西飞尚科技有限公司 | A kind of rod-type inclinometer temperature compensation |
| CN108709568A (en) * | 2018-08-23 | 2018-10-26 | 中国地震局地壳应力研究所 | Dipmeter detection device |
| CN111158289A (en) * | 2019-12-31 | 2020-05-15 | 无锡信捷电气股份有限公司 | Digital measuring probe measuring instrument and implementation method |
| CN112926030A (en) * | 2021-02-25 | 2021-06-08 | 南京信息工程大学 | Meteorological element determining method for 30m resolution interpolation |
| CN112926030B (en) * | 2021-02-25 | 2024-01-23 | 南京信息工程大学 | Meteorological element determination method for 30m resolution interpolation |
| CN115014289A (en) * | 2022-08-05 | 2022-09-06 | 长江水利委员会长江科学院 | Data processing method and circuit of fixed inclinometer |
| CN117470194A (en) * | 2023-12-28 | 2024-01-30 | 江西飞尚科技有限公司 | Inclination angle measurement method, inclination angle measurement system, storage medium and computer |
| CN117470194B (en) * | 2023-12-28 | 2024-04-09 | 江西飞尚科技有限公司 | Inclination angle measurement method, inclination angle measurement system, storage medium and computer |
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